<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty {html_select_time} function plugin
 *
 * Type:     function<br>
 * Name:     html_select_time<br>
 * Purpose:  Prints the dropdowns for time selection
 * @link http://smarty.php.net/manual/en/language.function.html.select.time.php {html_select_time}
 * (Smarty online manual)
 * @author Roberto Berto <roberto@berto.net>
 * @credits Monte Ohrt <monte AT ohrt DOT com>
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_make_timestamp()
 */
function smarty_function_html_select_time($params, &$smarty) {
	require_once $smarty->_get_plugin_filepath ( 'shared', 'make_timestamp' );
	require_once $smarty->_get_plugin_filepath ( 'function', 'html_options' );
	/* Default values. */
	$prefix = "Time_";
	$time = time ();
	$display_hours = true;
	$display_minutes = true;
	$display_seconds = true;
	$display_meridian = true;
	$use_24_hours = true;
	$minute_interval = 1;
	$second_interval = 1;
	/* Should the select boxes be part of an array when returned from PHP?
       e.g. setting it to "birthday", would create "birthday[Hour]",
       "birthday[Minute]", "birthday[Seconds]" & "birthday[Meridian]".
       Can be combined with prefix. */
	$field_array = null;
	$all_extra = null;
	$hour_extra = null;
	$minute_extra = null;
	$second_extra = null;
	$meridian_extra = null;
	
	foreach ( $params as $_key => $_value ) {
		switch ($_key) {
			case 'prefix' :
			case 'time' :
			case 'field_array' :
			case 'all_extra' :
			case 'hour_extra' :
			case 'minute_extra' :
			case 'second_extra' :
			case 'meridian_extra' :
				$$_key = ( string ) $_value;
				break;
			
			case 'display_hours' :
			case 'display_minutes' :
			case 'display_seconds' :
			case 'display_meridian' :
			case 'use_24_hours' :
				$$_key = ( bool ) $_value;
				break;
			
			case 'minute_interval' :
			case 'second_interval' :
				$$_key = ( int ) $_value;
				break;
			
			default :
				$smarty->trigger_error ( "[html_select_time] unknown parameter $_key", E_USER_WARNING );
		}
	}
	
	$time = smarty_make_timestamp ( $time );
	
	$html_result = '';
	
	if ($display_hours) {
		$hours = $use_24_hours ? range ( 0, 23 ) : range ( 1, 12 );
		$hour_fmt = $use_24_hours ? '%H' : '%I';
		for($i = 0, $for_max = count ( $hours ); $i < $for_max; $i ++)
			$hours [$i] = sprintf ( '%02d', $hours [$i] );
		$html_result .= '<select name=';
		if (null !== $field_array) {
			$html_result .= '"' . $field_array . '[' . $prefix . 'Hour]"';
		} else {
			$html_result .= '"' . $prefix . 'Hour"';
		}
		if (null !== $hour_extra) {
			$html_result .= ' ' . $hour_extra;
		}
		if (null !== $all_extra) {
			$html_result .= ' ' . $all_extra;
		}
		$html_result .= '>' . "\n";
		$html_result .= smarty_function_html_options ( array ('output' => $hours, 'values' => $hours, 'selected' => strftime ( $hour_fmt, $time ), 'print_result' => false ), $smarty );
		$html_result .= "</select>\n";
	}
	
	if ($display_minutes) {
		$all_minutes = range ( 0, 59 );
		for($i = 0, $for_max = count ( $all_minutes ); $i < $for_max; $i += $minute_interval)
			$minutes [] = sprintf ( '%02d', $all_minutes [$i] );
		$selected = intval ( floor ( strftime ( '%M', $time ) / $minute_interval ) * $minute_interval );
		$html_result .= '<select name=';
		if (null !== $field_array) {
			$html_result .= '"' . $field_array . '[' . $prefix . 'Minute]"';
		} else {
			$html_result .= '"' . $prefix . 'Minute"';
		}
		if (null !== $minute_extra) {
			$html_result .= ' ' . $minute_extra;
		}
		if (null !== $all_extra) {
			$html_result .= ' ' . $all_extra;
		}
		$html_result .= '>' . "\n";
		
		$html_result .= smarty_function_html_options ( array ('output' => $minutes, 'values' => $minutes, 'selected' => $selected, 'print_result' => false ), $smarty );
		$html_result .= "</select>\n";
	}
	
	if ($display_seconds) {
		$all_seconds = range ( 0, 59 );
		for($i = 0, $for_max = count ( $all_seconds ); $i < $for_max; $i += $second_interval)
			$seconds [] = sprintf ( '%02d', $all_seconds [$i] );
		$selected = intval ( floor ( strftime ( '%S', $time ) / $second_interval ) * $second_interval );
		$html_result .= '<select name=';
		if (null !== $field_array) {
			$html_result .= '"' . $field_array . '[' . $prefix . 'Second]"';
		} else {
			$html_result .= '"' . $prefix . 'Second"';
		}
		
		if (null !== $second_extra) {
			$html_result .= ' ' . $second_extra;
		}
		if (null !== $all_extra) {
			$html_result .= ' ' . $all_extra;
		}
		$html_result .= '>' . "\n";
		
		$html_result .= smarty_function_html_options ( array ('output' => $seconds, 'values' => $seconds, 'selected' => $selected, 'print_result' => false ), $smarty );
		$html_result .= "</select>\n";
	}
	
	if ($display_meridian && ! $use_24_hours) {
		$html_result .= '<select name=';
		if (null !== $field_array) {
			$html_result .= '"' . $field_array . '[' . $prefix . 'Meridian]"';
		} else {
			$html_result .= '"' . $prefix . 'Meridian"';
		}
		
		if (null !== $meridian_extra) {
			$html_result .= ' ' . $meridian_extra;
		}
		if (null !== $all_extra) {
			$html_result .= ' ' . $all_extra;
		}
		$html_result .= '>' . "\n";
		
		$html_result .= smarty_function_html_options ( array ('output' => array ('AM', 'PM' ), 'values' => array ('am', 'pm' ), 'selected' => strtolower ( strftime ( '%p', $time ) ), 'print_result' => false ), $smarty );
		$html_result .= "</select>\n";
	}
	
	return $html_result;
}

/* vim: set expandtab: */

?>
